<?php

namespace PHPExcel\Writer\PDF;

/**
 * PHPExcel_Writer_PDF_Core
 *
 * Copyright (c) 2006 - 2015 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * @category PHPExcel
 * @package PHPExcel_Writer_PDF
 * @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
 * @version ##VERSION##, ##DATE##
 */
abstract class Core extends \PHPExcel\Writer\HTML {
    /**
     * Temporary storage directory
     *
     * @var string
     */
    protected $tempDir = '';
    
    /**
     * Font
     *
     * @var string
     */
    protected $font = 'freesans';
    
    /**
     * Orientation (Over-ride)
     *
     * @var string
     */
    protected $orientation;
    
    /**
     * Paper size (Over-ride)
     *
     * @var int
     */
    protected $paperSize;
    
    /**
     * Temporary storage for Save Array Return type
     *
     * @var string
     */
    private $saveArrayReturnType;
    
    /**
     * Paper Sizes xRef List
     *
     * @var array
     */
    protected static $paperSizes = array(
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_LETTER => 'LETTER', // (8.5 in. by 11 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_LETTER_SMALL => 'LETTER', // (8.5 in. by 11 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_TABLOID => array(
    792.00,
    1224.00 
    ), // (11 in. by 17 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_LEDGER => array(
    1224.00,
    792.00 
    ), // (17 in. by 11 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_LEGAL => 'LEGAL', // (8.5 in. by 14 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_STATEMENT => array(
    396.00,
    612.00 
    ), // (5.5 in. by 8.5 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_EXECUTIVE => 'EXECUTIVE', // (7.25 in. by 10.5 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_A3 => 'A3', // (297 mm by 420 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_A4 => 'A4', // (210 mm by 297 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_A4_SMALL => 'A4', // (210 mm by 297 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_A5 => 'A5', // (148 mm by 210 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_B4 => 'B4', // (250 mm by 353 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_B5 => 'B5', // (176 mm by 250 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_FOLIO => 'FOLIO', // (8.5 in. by 13 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_QUARTO => array(
    609.45,
    779.53 
    ), // (215 mm by 275 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_STANDARD_1 => array(
    720.00,
    1008.00 
    ), // (10 in. by 14 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_STANDARD_2 => array(
    792.00,
    1224.00 
    ), // (11 in. by 17 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_NOTE => 'LETTER', // (8.5 in. by 11 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_NO9_ENVELOPE => array(
    279.00,
    639.00 
    ), // (3.875 in. by 8.875 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_NO10_ENVELOPE => array(
    297.00,
    684.00 
    ), // (4.125 in. by 9.5 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_NO11_ENVELOPE => array(
    324.00,
    747.00 
    ), // (4.5 in. by 10.375 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_NO12_ENVELOPE => array(
    342.00,
    792.00 
    ), // (4.75 in. by 11 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_NO14_ENVELOPE => array(
    360.00,
    828.00 
    ), // (5 in. by 11.5 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_C => array(
    1224.00,
    1584.00 
    ), // (17 in. by 22 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_D => array(
    1584.00,
    2448.00 
    ), // (22 in. by 34 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_E => array(
    2448.00,
    3168.00 
    ), // (34 in. by 44 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_DL_ENVELOPE => array(
    311.81,
    623.62 
    ), // (110 mm by 220 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_C5_ENVELOPE => 'C5', // (162 mm by 229 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_C3_ENVELOPE => 'C3', // (324 mm by 458 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_C4_ENVELOPE => 'C4', // (229 mm by 324 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_C6_ENVELOPE => 'C6', // (114 mm by 162 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_C65_ENVELOPE => array(
    323.15,
    649.13 
    ), // (114 mm by 229 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_B4_ENVELOPE => 'B4', // (250 mm by 353 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_B5_ENVELOPE => 'B5', // (176 mm by 250 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_B6_ENVELOPE => array(
    498.90,
    354.33 
    ), // (176 mm by 125 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_ITALY_ENVELOPE => array(
    311.81,
    651.97 
    ), // (110 mm by 230 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_MONARCH_ENVELOPE => array(
    279.00,
    540.00 
    ), // (3.875 in. by 7.5 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_6_3_4_ENVELOPE => array(
    261.00,
    468.00 
    ), // (3.625 in. by 6.5 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_US_STANDARD_FANFOLD => array(
    1071.00,
    792.00 
    ), // (14.875 in. by 11 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_GERMAN_STANDARD_FANFOLD => array(
    612.00,
    864.00 
    ), // (8.5 in. by 12 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_GERMAN_LEGAL_FANFOLD => 'FOLIO', // (8.5 in. by 13 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_ISO_B4 => 'B4', // (250 mm by 353 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_JAPANESE_DOUBLE_POSTCARD => array(
    566.93,
    419.53 
    ), // (200 mm by 148 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_STANDARD_PAPER_1 => array(
    648.00,
    792.00 
    ), // (9 in. by 11 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_STANDARD_PAPER_2 => array(
    720.00,
    792.00 
    ), // (10 in. by 11 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_STANDARD_PAPER_3 => array(
    1080.00,
    792.00 
    ), // (15 in. by 11 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_INVITE_ENVELOPE => array(
    623.62,
    623.62 
    ), // (220 mm by 220 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_LETTER_EXTRA_PAPER => array(
    667.80,
    864.00 
    ), // (9.275 in. by 12 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_LEGAL_EXTRA_PAPER => array(
    667.80,
    1080.00 
    ), // (9.275 in. by 15 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_TABLOID_EXTRA_PAPER => array(
    841.68,
    1296.00 
    ), // (11.69 in. by 18 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_A4_EXTRA_PAPER => array(
    668.98,
    912.76 
    ), // (236 mm by 322 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_LETTER_TRANSVERSE_PAPER => array(
    595.80,
    792.00 
    ), // (8.275 in. by 11 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_A4_TRANSVERSE_PAPER => 'A4', // (210 mm by 297 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_LETTER_EXTRA_TRANSVERSE_PAPER => array(
    667.80,
    864.00 
    ), // (9.275 in. by 12 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_SUPERA_SUPERA_A4_PAPER => array(
    643.46,
    1009.13 
    ), // (227 mm by 356 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_SUPERB_SUPERB_A3_PAPER => array(
    864.57,
    1380.47 
    ), // (305 mm by 487 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_LETTER_PLUS_PAPER => array(
    612.00,
    913.68 
    ), // (8.5 in. by 12.69 in.)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_A4_PLUS_PAPER => array(
    595.28,
    935.43 
    ), // (210 mm by 330 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_A5_TRANSVERSE_PAPER => 'A5', // (148 mm by 210 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_JIS_B5_TRANSVERSE_PAPER => array(
    515.91,
    728.50 
    ), // (182 mm by 257 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_A3_EXTRA_PAPER => array(
    912.76,
    1261.42 
    ), // (322 mm by 445 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_A5_EXTRA_PAPER => array(
    493.23,
    666.14 
    ), // (174 mm by 235 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_ISO_B5_EXTRA_PAPER => array(
    569.76,
    782.36 
    ), // (201 mm by 276 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_A2_PAPER => 'A2', // (420 mm by 594 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_A3_TRANSVERSE_PAPER => 'A3', // (297 mm by 420 mm)
    \PHPExcel\Worksheet\PageSetup::PAPERSIZE_A3_EXTRA_TRANSVERSE_PAPER => array(
    912.76,
    1261.42 
    ) 
    ); // (322 mm by 445 mm)

    
    /**
     * Create a new PDF Writer instance
     *
     * @param \PHPExcel\Spreadsheet $phpExcel
     *            Spreadsheet object
     */
    public function __construct(\PHPExcel\Spreadsheet $phpExcel) {
        parent::__construct($phpExcel);
        $this->setUseInlineCss(true);
        $this->tempDir = \PHPExcel\Shared\File::sysGetTempDir();
    }
    
    /**
     * Get Font
     *
     * @return string
     */
    public function getFont() {
        return $this->font;
    }
    
    /**
     * Set font.
     * Examples:
     * 'arialunicid0-chinese-simplified'
     * 'arialunicid0-chinese-traditional'
     * 'arialunicid0-korean'
     * 'arialunicid0-japanese'
     *
     * @param string $fontName            
     */
    public function setFont($fontName) {
        $this->font = $fontName;
        return $this;
    }
    
    /**
     * Get Paper Size
     *
     * @return int
     */
    public function getPaperSize() {
        return $this->paperSize;
    }
    
    /**
     * Set Paper Size
     *
     * @param string $pValue
     *            Paper size
     * @return PHPExcel_Writer_PDF
     */
    public function setPaperSize($pValue = \PHPExcel\Worksheet\PageSetup::PAPERSIZE_LETTER) {
        $this->paperSize = $pValue;
        return $this;
    }
    
    /**
     * Get Orientation
     *
     * @return string
     */
    public function getOrientation() {
        return $this->orientation;
    }
    
    /**
     * Set Orientation
     *
     * @param string $pValue
     *            Page orientation
     * @return PHPExcel_Writer_PDF
     */
    public function setOrientation($pValue = \PHPExcel\Worksheet\PageSetup::ORIENTATION_DEFAULT) {
        $this->orientation = $pValue;
        return $this;
    }
    
    /**
     * Get temporary storage directory
     *
     * @return string
     */
    public function getTempDir() {
        return $this->tempDir;
    }
    
    /**
     * Set temporary storage directory
     *
     * @param string $pValue
     *            Temporary storage directory
     * @throws \PHPExcel\Writer\Exception when directory does not exist
     * @return PHPExcel_Writer_PDF
     */
    public function setTempDir($pValue = '') {
        if (is_dir($pValue)) {
            $this->tempDir = $pValue;
        } else {
            throw new \PHPExcel\Writer\Exception("Directory does not exist: $pValue");
        }
        return $this;
    }
    
    /**
     * Save Spreadsheet to PDF file, pre-save
     *
     * @param string $pFilename
     *            Name of the file to save as
     * @throws \PHPExcel\Writer\Exception
     */
    protected function prepareForSave($pFilename = null) {
        // garbage collect
        $this->phpExcel->garbageCollect();
        
        $this->saveArrayReturnType = PHPExcel_Calculation::getArrayReturnType();
        PHPExcel_Calculation::setArrayReturnType(PHPExcel_Calculation::RETURN_ARRAY_AS_VALUE);
        
        // Open file
        $fileHandle = fopen($pFilename, 'w');
        if ($fileHandle === false) {
            throw new \PHPExcel\Writer\Exception("Could not open file $pFilename for writing.");
        }
        
        // Set PDF
        $this->isPdf = true;
        // Build CSS
        $this->buildCSS(true);
        
        return $fileHandle;
    }
    
    /**
     * Save PHPExcel to PDF file, post-save
     *
     * @param resource $fileHandle            
     * @throws \PHPExcel\Writer\Exception
     */
    protected function restoreStateAfterSave($fileHandle) {
        // Close file
        fclose($fileHandle);
        
        PHPExcel_Calculation::setArrayReturnType($this->saveArrayReturnType);
    }
}
